pump1

[puhmp] /pʌmp/
noun
1.
an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes.
2.
Engineering, Building Trades. a shore having a jackscrew in its foot for adjusting the length or for bearing more firmly against the structure to be sustained.
3.
Biology. an animal organ that propels fluid through the body; heart.
4.
Cell Biology. a system that supplies energy for transport against a chemical gradient, as the sodium pump for the transfer of sodium and potassium ions across a cell membrane.
verb (used with object)
5.
to raise, drive, etc., with a pump.
6.
to free from water or other liquid by means of a pump.
7.
to inflate by pumping (often followed by up):
to pump a tire up.
8.
to operate or move by an up-and-down or back-and-forth action.
9.
to supply with air, as an organ, by means of a pumplike device.
10.
to drive, force, etc., as if from a pump:
He rapidly pumped a dozen shots into the bull's-eye.
11.
to supply or inject as if by using a pump:
to pump money into a failing business.
12.
to question artfully or persistently to elicit information:
to pump someone for confidential information.
13.
to elicit (information) by questioning.
verb (used without object)
14.
to work a pump; raise or move water, oil, etc., with a pump.
15.
to operate as a pump does.
16.
to move up and down like a pump handle.
17.
to exert oneself in a manner likened to pumping:
He pumped away at his homework all evening.
18.
to seek to elicit information from a person.
19.
to come out in spurts.
Verb phrases
20.
pump up,
  1. to inflate.
  2. to increase, heighten, or strengthen; put more effort into or emphasis on; intensify:
    The store has decided to pump up its advertising.
  3. to infuse with enthusiasm, competitive spirit, energy, etc.:
    The contestants were all backstage pumping themselves up for their big moment.
Idioms
21.
prime the pump,
  1. to increase government expenditure in an effort to stimulate the economy.
  2. to support or promote the operation or improvement of something.
22.
pump iron. iron (def 29).
Origin of pump1
1400-50; late Middle English pumpe (noun); cognate with German Pumpe, Dutch pomp
Related forms
pumpable, adjective
pumpless, adjective
pumplike, adjective
unpumpable, adjective
unpumped, adjective

pump2

[puhmp] /pʌmp/
noun
1.
a lightweight, low-cut shoe without fastenings for women.
2.
a slip-on black patent leather shoe for men, for wear with formal dress.
Origin
1720-30; origin uncertain
Examples from the web for pump
  • He worked a hand pump on the inside and leaned his head out to make sure the liquid gold was flowing.
  • Outside, a worker standing waist-deep in the raceway crowded the fish toward a hydraulic pump, using a broom to goad stragglers.
  • The heart becomes thicker-walled from having to pump against the pressure, and less able to respond to the demands of exertion.
  • Then he wet a comb at the cabin's iron hand pump and slicked back his hair and his little brother's hair.
  • Then various backups failed, which forced plant operators to pump sea water into the reactors to try to cool them down.
  • The purpose of language is communication in much the same sense that the purpose of the heart is to pump blood.
  • Farmers once used windmills to grind their grains and pump water.
  • No one is sure how long it will take to pump out floodwaters once the levees are repaired.
  • The stalk is supported by pressure created by their pump, according to the scientists.
  • All over the developing world, many urban slum dwellers spend much of the day waiting in line at a pump.
British Dictionary definitions for pump

pump1

/pʌmp/
noun
1.
any device for compressing, driving, raising, or reducing the pressure of a fluid, esp by means of a piston or set of rotating impellers
2.
(biology) a mechanism for the active transport of ions, such as protons, calcium ions, and sodium ions, across cell membranes: a sodium pump
verb
3.
when tr, usually foll by from, out, into, away, etc. to raise or drive (air, liquid, etc, esp into or from something) with a pump or similar device
4.
(transitive; usually foll by in or into) to supply in large amounts: to pump capital into a project
5.
(transitive) to deliver (shots, bullets, etc) repeatedly with great force
6.
to operate (something, esp a handle or lever) in the manner of a pump or (of something) to work in this way: to pump the pedals of a bicycle
7.
(transitive) to obtain (information) from (a person) by persistent questioning
8.
(intransitive; usually foll by from or out of) (of liquids) to flow freely in large spurts: oil pumped from the fissure
Word Origin
C15: from Middle Dutch pumpe pipe, probably from Spanish bomba, of imitative origin

pump2

/pʌmp/
noun
1.
a low-cut low-heeled shoe without fastenings, worn esp for dancing
2.
a type of shoe with a rubber sole, used in games such as tennis; plimsoll
Word Origin
C16: of unknown origin
Word Origin and History for pump
n.

"apparatus for forcing liquid or air," early 15c., of uncertain origin, possibly from Middle Dutch pompe "water conduit, pipe," or Middle Low German pumpe "pump" (Modern German Pumpe), both from some North Sea sailors' word, possibly of imitative origin.

"low shoe without fasteners," 1550s, of unknown origin, perhaps echoic of the sound made when walking in them, or perhaps from Dutch pampoesje, from Javanese pampoes, of Arabic origin. Klein's sources propose a connection with pomp (n.). Related: pumps.

v.

c.1500, from pump (n.1). Metaphoric extension in pump (someone) for information is from 1630s. To pump iron "lift weights for fitness" is from 1972. Related: Pumped; pumping.

pump in Medicine

pump (pŭmp)
n.

  1. A machine or device for raising, compressing, or transferring fluids.

  2. A molecular mechanism for the active transport of ions or molecules across a cell membrane.

v. pumped, pump·ing, pumps

  1. To raise or cause to flow by means of a pump.

  2. To transport ions or molecules against a concentration gradient by the expenditure of chemically stored energy.

pump in Science
pump
  (pŭmp)   

  1. A device used to raise or transfer fluids. Most pumps function either by compression or suction.

  2. A molecular mechanism for the active transport of ions or molecules across a cell membrane.


Slang definitions & phrases for pump

pump

noun
  1. (also pumper) The heart; ticker: He had a hole through his pump (1885+)
  2. A home run; tater: He had three pumps yesterday. Three home runs! (1980s+ Baseball)
verb
  1. To do the sex act; fuck, hump: Duffy wondered if Jert had been pumping Tish (1730+)
  2. To question long and closely; extract information: The cops pumped him for three days straight (1667+)
  3. To excite; amp, hype, pump up, turn on: That stripper at the party last night really pumped me (1980s+ Students)